![]() ![]() ![]() A number of countries, such as Chile and the United States, still have sizable reserves of the metal which are extracted through large open pit mines. During the Roman Empire, copper was principally mined on Cyprus, hence the origin of the name of the metal as Cyprium, "metal of Cyprus", later shortened to Cuprum. Civilizations in places such as Iraq, China, Egypt, Greece, India and the Sumerian cities all have early evidence of using copper. However, in sufficient amounts, copper can be poisonous and even fatal to organisms.Ĭopper has played a significant part in the history of mankind, which has used the easily accessible uncompounded metal for thousands of years. In animals, including humans, it is found primarily in the bloodstream, as a co-factor in various enzymes, and in copper-based pigments. It is a ductile metal with excellent electrical conductivity, and finds extensive use as an electrical conductor, heat conductor, as a building material, and as a component of various alloys.Ĭopper is an essential trace nutrient to all high plants and animals. Copper ( Template:PronEng) is a chemical element with the symbol Cu ( Template:Lang-la) and atomic number 29. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |